Deflection yoke for a color CRT

Details Deflection yoke for a color CRT Deflection yoke for a color CRT

1992-02-11

1993-01-12

Yusko, Donald J.

Electric lamp and discharge devices

Cathode ray tube

Beam deflecting means

313431, 335211, H01J 2970

Patent

active

051793199

ABSTRACT:
A conventional pair of magnetic members which conduct a leakage magnetic field from a vertical deflection coil, and which generate an auxiliary magnetic field for correction in a pincushion on the side of an electronic gun of the vertical deflection magnetic field are wound with auxiliary coils, and these auxiliary coils are connected to the vertical deflection coil. In addition to a conventional function of generating an auxiliary magnetic field, the auxiliary coils operate as a function of generating a magnetic field, so that a convergence distortion and spot distortion can be completely corrected without causing any damage.

REFERENCES:
patent: 4642527 (1987-02-01), Takahashi et al.
patent: 4728915 (1988-03-01), Konosu et al.
patent: 4788470 (1988-11-01), Kohzuki et al.
patent: 4896071 (1990-01-01), Pons

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